UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060812.upa.cvt Date: 1200Z 8 JUN 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:1200Z 8 JUN 25 Station: KIAD WMO ident: 72403 Latitude: 38.95 Longitude: -77.45 Elevation: 98.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 70 40 2 SFC 998 98 20.6 17.2 81 3.4 18.4 40 2 293.9 296.1 291.6 329.5 12.46 2 997 107 21.2 17.7 80 3.5 18.8 42 2 294.6 296.9 292.1 331.5 12.88 3 977 279 20.4 15.7 74 4.7 17.3 79 9 295.5 297.6 291.3 328.7 11.55 4 956 463 18.8 15.3 80 3.5 16.5 95 12 295.7 297.8 291.4 328.9 11.51 5 942 588 18.6 13.6 73 5.0 15.4 104 14 296.8 298.7 290.9 327.0 10.44 6 925 742 17.6 15.0 85 2.6 15.9 115 12 297.3 299.4 292.0 331.1 11.67 7 919 798 17.2 14.9 86 2.3 15.7 115 11 297.4 299.6 292.0 331.3 11.67 8 895 1024 15.8 14.0 89 1.8 14.7 113 8 298.3 300.3 292.0 331.2 11.30 9 884 1129 15.4 11.5 78 3.9 13.0 111 8 298.9 300.7 290.9 327.2 9.68 10 873 1236 15.0 12.7 86 2.3 13.6 112 7 299.6 301.5 291.9 330.7 10.63 11 859 1373 14.6 10.3 75 4.3 12.0 129 6 300.5 302.2 291.0 327.6 9.19 12 850 1462 14.0 10.7 80 3.3 12.0 140 6 300.8 302.6 291.4 329.0 9.55 13 835 1612 13.4 9.0 75 4.4 10.7 171 6 301.7 303.3 291.0 327.4 8.66 14 822 1744 12.6 9.9 84 2.7 10.9 188 8 302.2 303.9 291.7 330.0 9.36 15 793 2046 11.4 7.2 75 4.2 8.9 221 15 304.1 305.6 291.2 328.2 8.06 16 752 2487 8.2 6.2 87 2.0 7.1 224 17 305.2 306.7 291.5 329.2 7.93 17 737 2654 7.2 3.7 78 3.5 5.2 218 16 305.9 307.2 290.7 326.5 6.79 18 700 3076 4.0 1.9 86 2.1 2.9 230 14 306.9 308.1 290.6 326.1 6.28 19 678 3335 2.0 1.6 97 0.4 1.8 239 17 307.5 308.7 290.8 326.9 6.35 20 581 4572 -3.5 -3.6 99 0.1 -3.6 247 18 315.0 315.9 292.0 331.0 5.05 21 573 4682 -3.1 -4.9 87 1.8 -4.0 248 17 316.7 317.6 292.2 331.5 4.64 22 540 5150 -6.3 -6.6 98 0.3 -6.4 246 17 318.3 319.1 292.3 332.3 4.32 23 536 5209 -5.9 -8.3 83 2.4 -7.0 244 17 319.4 320.2 292.2 331.9 3.82 24 507 5642 -9.7 -9.7 100 0.0 -9.7 237 19 319.9 320.6 292.2 331.8 3.61 25 500 5750 -10.3 -10.6 98 0.3 -10.4 235 20 320.5 321.1 292.2 331.7 3.41 26 496 5812 -10.1 -12.3 84 2.2 -10.9 236 21 321.5 322.0 292.1 331.4 3.00 27 488 5937 -10.9 -12.7 87 1.8 -11.6 242 21 322.0 322.6 292.2 331.8 2.95 28 480 6064 -11.1 -15.8 68 4.7 -12.8 248 21 323.3 323.7 292.0 331.1 2.33 29 479 6080 -11.1 -15.3 71 4.2 -12.6 249 21 323.5 323.9 292.2 331.7 2.43 30 466 6291 -13.1 -15.4 83 2.3 -13.9 249 23 323.5 324.0 292.2 331.9 2.48 31 462 6357 -13.3 -16.6 76 3.3 -14.5 249 23 324.1 324.5 292.2 331.7 2.26 32 452 6523 -14.7 -16.8 84 2.1 -15.4 248 25 324.3 324.8 292.3 332.1 2.27 33 441 6710 -15.1 -24.1 46 9.0 -17.5 248 27 326.1 326.4 291.9 330.5 1.24 34 431 6883 -16.5 -27.5 38 11.0 -19.1 247 29 326.5 326.7 291.6 329.8 0.93 35 429 6918 -16.5 -31.5 26 15.0 -19.7 247 29 326.9 327.1 291.5 329.3 0.64 36 424 7006 -17.3 -29.3 34 12.0 -20.0 247 30 327.0 327.2 291.7 329.9 0.80 37 423 7023 -17.5 -26.5 45 9.0 -19.7 247 30 327.0 327.2 291.9 330.7 1.04 38 419 7095 -18.3 -26.3 49 8.0 -20.3 246 31 326.8 327.0 291.9 330.6 1.07 39 418 7112 -18.3 -27.3 45 9.0 -20.4 246 31 327.1 327.3 291.9 330.5 0.97 40 417 7130 -18.5 -33.5 26 15.0 -21.4 246 31 327.0 327.1 291.5 329.0 0.54 41 409 7275 -19.5 -37.5 19 18.0 -22.5 246 32 327.6 327.6 291.4 328.9 0.37 42 408 7293 -19.7 -39.7 15 20.0 -22.8 246 33 327.5 327.6 291.3 328.6 0.30 43 406 7329 -19.7 -53.7 3 34.0 -23.4 245 33 328.0 328.0 291.2 328.2 0.06 44 401 7421 -20.1 -52.1 4 32.0 -23.7 245 34 328.6 328.6 291.4 328.9 0.08 45 400 7440 -20.1 -48.1 6 28.0 -23.5 245 34 328.9 328.9 291.5 329.3 0.12 46 396 7514 -20.5 -39.5 17 19.0 -23.5 245 34 329.3 329.4 291.9 330.5 0.31 47 392 7589 -20.7 -50.7 5 30.0 -24.1 245 34 330.0 330.0 291.8 330.4 0.09 48 390 7627 -20.7 -46.7 8 26.0 -24.0 245 34 330.5 330.5 292.0 331.0 0.15 49 352 8372 -27.1 -48.1 12 21.0 -29.3 248 41 331.7 331.7 292.3 332.2 0.14 50 349 8434 -27.1 -56.1 5 29.0 -29.5 248 41 332.5 332.5 292.4 332.7 0.05 51 337 8684 -29.5 -59.5 4 30.0 -31.6 249 43 332.6 332.6 292.4 332.7 0.04 52 335 8726 -29.7 -59.7 4 30.0 -31.7 249 44 332.8 332.9 292.5 333.0 0.04 53 326 8919 -31.5 -53.5 10 22.0 -33.2 249 45 333.0 333.0 292.6 333.3 0.08 54 300 9500 -35.9 -39.7 68 3.8 -36.3 240 49 334.8 334.9 293.4 336.3 0.40 55 250 10740 -45.3 -64.3 10 19.0 -45.9 230 51 338.7 338.7 294.0 338.8 0.03 56 200 12200 -54.1 -74.1 7 20.0 -54.4 230 78 347.1 347.1 296.0 347.1 0.01 57 188 12595 -55.8 -75.8 7 20.0 -56.0 240 84 350.6 350.6 296.8 350.6 0.01 58 171 13195 -58.3 -78.3 6 20.0 -58.5 245 75 356.0 356.0 297.9 356.1 0.01 59 150 14020 -58.3 -81.3 4 23.0 -58.5 260 65 369.6 369.6 300.5 369.7 0.00 60 100 16530 -65.5 -86.5 4 21.0 -65.7 245 30 401.2 401.2 305.3 401.2 0.00 61 94 16908 -64.5 -86.5 3 22.0 -64.7 243 30 410.3 410.3 306.6 410.3 0.00 62 88 17311 -65.5 -87.5 3 22.0 -65.7 236 31 416.1 416.1 307.3 416.1 0.00 63 87 17381 -64.1 -87.1 3 23.0 -64.3 236 31 420.3 420.3 307.7 420.3 0.00 64 83 17669 -65.7 -87.7 3 22.0 -65.9 255 26 422.7 422.7 308.0 422.7 0.00 65 80 17893 -65.3 -88.3 3 23.0 -65.5 273 27 428.0 428.0 308.6 428.0 0.00 66 74 18374 -60.7 -86.7 2 26.0 -61.1 301 17 447.4 447.4 310.6 447.4 0.00 67 70 18720 -61.3 -87.3 2 26.0 -61.7 170 9 453.2 453.2 311.1 453.3 0.00 68 68 18899 -61.7 -87.7 2 26.0 -62.0 170 10 456.2 456.2 311.4 456.2 0.00 69 65 19179 -59.5 -86.5 2 27.0 -60.0 189 13 466.9 466.9 312.4 466.9 0.00 70 63 19374 -60.1 -87.1 2 27.0 -60.6 176 13 469.8 469.8 312.6 469.8 0.00 71 59 19784 -58.5 -86.5 2 28.0 -59.1 144 12 482.2 482.2 313.6 482.3 0.00 72 56 20110 -60.5 -87.5 2 27.0 -61.0 119 11 484.9 484.9 313.8 485.0 0.00 73 54 20337 -57.9 -85.9 2 28.0 -58.6 101 10 496.0 496.0 314.7 496.0 0.00 74 50 20820 -59.3 -86.3 2 27.0 -59.9 155 8 503.7 503.7 315.2 503.8 0.00 75 49 20947 -59.3 -86.3 2 27.0 -59.9 152 10 506.7 506.7 315.4 506.7 0.00 76 37 22737 -52.9 -83.9 1 31.0 -54.5 82 10 565.5 565.5 318.9 565.5 0.01 77 34 23282 -54.1 -84.1 1 30.0 -55.6 55 8 576.2 576.2 319.5 576.2 0.01 78 30 24090 -51.9 -83.9 1 32.0 -54.1 60 9 603.2 603.2 320.7 603.2 0.01 79 22 26105 -50.9 -82.9 1 32.0 -53.9 112 12 662.1 662.1 323.2 662.2 0.02 80 22 26105 -51.1 -83.1 1 32.0 -54.1 112 12 661.5 661.5 323.1 661.6 0.02 81 20 26730 -47.1 -82.1 1 35.0 -51.5 85 15 692.0 692.0 324.1 692.2 0.02 82 19 27070 -46.5 -81.5 1 35.0 -51.2 83 15 704.1 704.1 324.6 704.3 0.03 83 16 28215 -44.7 -80.7 1 36.0 -50.7 76 15 745.4 745.5 325.8 745.8 0.04 84 15 28648 -44.5 -80.5 1 36.0 -50.8 82 15 760.0 760.0 326.2 760.4 0.04 85 14 29113 -41.3 -79.3 1 38.0 -49.4 87 15 786.0 786.0 326.9 786.5 0.05 86 13 29616 -41.3 -79.3 1 38.0 -49.7 94 15 802.8 802.9 327.3 803.4 0.06 87 12 30158 -42.5 -79.5 1 37.0 -50.7 100 15 817.2 817.2 327.7 817.7 0.06 88 10 31401 -38.3 -78.3 1 40.0 -49.5 97 16 876.6 876.6 329.0 877.5 0.09 TRP 171 13195 -58.3 -78.3 6 20.0 -58.5 245 75 356.0 356.0 297.9 356.1 0.01 WND 188 12595 -55.8 -75.8 7 20.0 -56.0 240 84 350.6 350.6 296.8 350.6 0.01 Sounding variables and indices 1000-500 mb thick: 5680.00 m Freezing level: 642.73 mb = 3785.17 m = 12418.38 ft Wetbulb zero: 645.66 mb = 3726.90 m = 12227.22 ft Precipitable water: 1.61 inches Sfc-500 mean rel hum: 87.76 % Est. max temperature: 27.61 C = 81.70 F Sfc-Lift cond lev (LCL): 949.32 mb = 522.77 m = 1715.09 ft T: 18.70 C 700-500 lapse rate: 5.35 C/km ThetaE index: 4.05 C Layer 895.0- 873.0 mb Conv cond level (CCL): 831.14 mb = 1651.26 m = 5417.45 ft Mean mixing ratio: 11.52 g/kg Conv temperature: 28.54 C = 83.38 F Cap Strength: 2.05 C Lifted Index: 1.08 C Risk: Showers probable Lifted Index @300 mb: 4.57 C Lifted Index @700 mb: -0.21 C Showalter Index: 1.46 C Risk: Showers probable Total Totals Index: 45.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.30 C Cross Totals Index: 21.00 C K Index: 32.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 160.40 Risk: None Energy Index: 0.49 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.30 J/kg Max Up Vert Vel: 7.91 m/s Conv Inhibition (B-): 111.76 J/kg Cap Strength: 1.99 C Lift Cond Lev (LCL): 899.10 mb = 984.76 m = 3230.79 ft Lev Free Conv (LFC): 704.10 mb = 3028.15 m = 9934.75 ft Equ Level (EL): 614.10 mb = 4128.41 m = 13544.50 ft B at Equ Level: 31.27 J/kg Max Parcel Lev (MPL): 544.10 mb = 5090.66 m = 16701.45 ft Wind level data Storm motion: 260 at 11 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 998 98 40 2 -1.3 -1.5 | 75 13 -12.5 -3.4 1 974 305 85 10 -10.0 -0.9 | 83 21 -21.2 -2.8 2 940 610 105 14 -13.5 3.6 | 94 25 -24.8 1.7 3 925 742 115 12 -10.9 5.1 | 98 22 -22.1 3.2 4 906 914 115 9 -8.2 3.8 | 96 19 -19.4 1.9 5 875 1219 110 7 -6.6 2.4 | 92 18 -17.8 0.5 6 850 1462 140 6 -3.9 4.6 | 100 15 -15.1 2.7 7 844 1524 160 5 -1.7 4.7 | 102 13 -12.9 2.8 8 813 1829 200 9 3.1 8.5 | 129 10 -8.2 6.5 9 784 2134 230 18 13.8 11.6 | 195 10 2.6 9.7 10 756 2438 225 17 12.0 12.0 | 184 10 0.8 10.1 11 729 2743 215 16 9.2 13.1 | 170 11 -2.1 11.2 12 702 3048 230 14 10.7 9.0 | 176 7 -0.5 7.1 13 700 3076 230 14 10.7 9.0 | 176 7 -0.5 7.1 14 651 3658 250 21 19.7 7.2 | 238 10 8.5 5.3 15 603 4267 245 19 17.2 8.0 | 224 9 6.0 6.1 16 558 4877 250 16 15.0 5.5 | 227 5 3.8 3.6 17 500 5750 235 20 16.4 11.5 | 208 11 5.2 9.6 18 497 5791 235 21 17.2 12.0 | 211 12 6.0 10.1 19 478 6096 250 21 19.7 7.2 | 238 10 8.5 5.3 20 400 7440 245 34 30.8 14.4 | 238 23 19.6 12.5 21 390 7620 245 34 30.8 14.4 | 238 23 19.6 12.5 22 329 8839 250 45 42.3 15.4 | 247 34 31.1 13.5 23 315 9144 245 43 39.0 18.2 | 240 32 27.7 16.3 24 302 9449 245 50 45.3 21.1 | 241 39 34.1 19.2 25 300 9500 240 49 42.4 24.5 | 234 39 31.2 22.6 26 264 10363 235 41 33.6 23.5 | 226 31 22.4 21.6 27 250 10740 230 51 39.1 32.8 | 222 42 27.8 30.9 28 210 11887 230 67 51.3 43.1 | 224 57 40.1 41.2 29 200 12200 230 78 59.8 50.1 | 225 68 48.5 48.2 30 188 12595 240 84 72.7 42.0 | 237 73 61.5 40.1 31 182 12802 240 84 72.7 42.0 | 237 73 61.5 40.1 32 171 13195 245 75 68.0 31.7 | 242 64 56.7 29.8 33 150 14020 260 65 64.0 11.3 | 260 54 52.8 9.4 34 123 15240 270 49 49.0 -0.0 | 273 38 37.8 -1.9 35 117 15545 240 33 28.6 16.5 | 230 23 17.3 14.6 36 100 16530 245 30 27.2 12.7 | 236 19 16.0 10.8 37 96 16764 245 30 27.2 12.7 | 236 19 16.0 10.8 38 87 17374 235 31 25.4 17.8 | 222 21 14.2 15.9 39 83 17678 255 26 25.1 6.7 | 251 15 13.9 4.8 40 79 17983 280 27 26.6 -4.7 | 293 17 15.4 -6.6 41 75 18288 300 19 16.5 -9.5 | 335 13 5.2 -11.4 42 71 18593 305 12 9.8 -6.9 | 9 9 -1.4 -8.8 43 70 18720 170 9 -1.6 8.9 | 119 15 -12.8 6.9 44 68 18898 170 10 -1.7 9.8 | 121 15 -13.0 7.9 45 65 19202 190 13 2.3 12.8 | 141 14 -9.0 10.9 46 53 20422 95 10 -10.0 0.9 | 87 21 -21.2 -1.0 47 51 20726 100 12 -11.8 2.1 | 90 23 -23.1 0.2 48 50 20820 155 8 -3.4 7.3 | 110 16 -14.6 5.3 49 48 21031 150 11 -5.5 9.5 | 114 18 -16.7 7.6 50 46 21336 145 7 -4.0 5.7 | 104 16 -15.2 3.8 51 44 21641 115 15 -13.6 6.3 | 100 25 -24.8 4.4 52 42 21946 130 10 -7.7 6.4 | 103 19 -18.9 4.5 53 38 22555 95 10 -10.0 0.9 | 87 21 -21.2 -1.0 54 35 23165 55 10 -8.2 -5.7 | 69 21 -19.4 -7.7 55 32 23774 55 1 -0.8 -0.6 | 78 12 -12.1 -2.5 56 30 24079 45 14 -9.9 -9.9 | 61 24 -21.1 -11.8 57 30 24090 60 9 -7.8 -4.5 | 71 20 -19.0 -6.4 58 29 24384 60 11 -9.5 -5.5 | 70 22 -20.8 -7.4 59 27 24689 65 7 -6.3 -3.0 | 75 18 -17.6 -4.9 60 25 25298 50 13 -10.0 -8.4 | 64 24 -21.2 -10.3 61 23 25908 125 12 -9.8 6.9 | 103 22 -21.1 5.0 62 21 26518 85 12 -12.0 -1.0 | 83 23 -23.2 -3.0 63 20 26730 85 15 -14.9 -1.3 | 83 26 -26.2 -3.2 64 16 27432 75 15 -14.5 -3.9 | 77 26 -25.7 -5.8 65 11 28651 105 15 -14.5 3.9 | 94 26 -25.7 2.0 66 10 28956 95 15 -14.9 1.3 | 89 26 -26.2 -0.6 67 9 29566 105 18 -17.4 4.7 | 95 29 -28.6 2.7 68 8 29870 130 15 -11.5 9.6 | 109 24 -22.7 7.7 69 7 30175 100 19 -18.7 3.3 | 93 30 -29.9 1.4 Wind Parameters Mean winds (0-6000m): 230.3 at 15.2 knts Storm direction: 260.3 at 11.4 knts Shear (0-3000m) pos: 2.9 neg: 0.3 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 103.9 deg Storm rel helicity (0-3000m) pos: 113.6 neg: -21.0 tot: 92.6 m^2/s^2 ave: 30.9 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 9.2 stream: 4.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.44 Bulk Shear: 71.06 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 92 9 85 21| 13.5 0.0 13.5| 41.5 -0.6 40.9 81.8 0.48| 15.2 7.3 1000 103 10 91 21| 3.8 0.0 3.8| 51.6 -8.2 43.5 43.5 0.33| 11.3 3.7 1500 109 9 93 20| 2.5 0.0 2.5| 68.9 -10.1 58.8 39.2 0.38| 10.1 3.8 2000 132 9 103 19| 4.9 0.0 4.9|108.2 -10.1 98.1 49.0 0.57| 11.4 6.5 2500 168 11 123 16| 3.9 0.4 4.3|111.1 -18.1 93.0 37.2 0.49| 10.0 4.9 3000 186 12 134 14| 2.9 0.3 3.3|113.6 -21.0 92.6 30.9 0.44| 9.2 4.1 4000 215 13 159 10| 3.0 0.4 3.4|131.3 -24.7 106.6 26.7 0.47| 8.3 3.9 5000 226 14 174 8| 2.2 0.4 2.5|131.8 -26.9 104.9 21.0 0.43| 7.2 3.0 6000 230 15 183 8| 2.0 0.5 2.5|147.3 -30.9 116.3 19.4 0.41| 6.9 2.9 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250608.12.gif